package cn.huhst.cas.weisiqian.web;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;

@WebServlet("/Logout.do")
public class Logout extends HttpServlet {
	private static final long serialVersionUID = 1L;
	private Logger logger = Logger.getLogger(Logout.class);

	public Logout() {
		super();
	}

	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		HttpSession session = request.getSession();
		session.removeAttribute("logined");
		session.removeAttribute("username");
		session.removeAttribute("role");
		session.removeAttribute("changeusername");
		logger.info("退出登录");
		request.getRequestDispatcher("login.jsp").forward(request, response);
	}

}
